Mechanical Design Engineer

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Mechanical Design Engineer – Building Services Location: Southampton (Hybrid Working) | Full-Time | Competitive Salary + Bonus + Excellent Benefits
Take Ownership of Mechanical Design on Diverse Projects
An established and growing MEP consultancy on the South Coast is seeking a Mechanical Design Engineer to join their friendly, technically focused team in Southampton. This is a fantastic opportunity for an engineer with a few years of consultancy experience to step into greater project ownership while being supported by senior mentors and a structured career development path. You’ll work across healthcare, education, commercial, and research sectors, contributing to technically sound, sustainable building services solutions.
Key Responsibilities
Deliver mechanical building services designs including HVAC, ventilation, heating, cooling, and domestic water systems Produce calculations, specifications, reports, and technical drawings using design software Coordinate designs with internal electrical, sustainability, and BIM teams for fully integrated MEP solutions Contribute to sustainable and low-carbon strategies across mechanical systems Attend client and design team meetings and actively contribute to technical discussions Conduct site visits and surveys to gather technical data Ensure designs meet UK building regulations, CIBSE guides, and client requirements Support and mentor junior staff while collaborating with senior engineers on project delivery
Candidate Requirements
Degree or HND/HNC in Mechanical or Building Services Engineering (BEng, MEng, or equivalent) 2–5 years’ experience in mechanical design within a building services consultancy Proficient in mechanical design software (Hevacomp, IES, Revit, AutoCAD, etc.) Strong understanding of HVAC systems, plantroom layouts, pipework, ductwork, and energy efficiency principles Knowledge of UK building regulations and CIBSE best practices Excellent communication skills, both written and verbal Proactive, organised, and detail-focused approach Ambitious and motivated to develop professionally – working towards chartership supported
Why Join?
Work with one of the South Coast’s most respected independent consultancies Hybrid and flexible working built around trust and autonomy Exposure to a broad range of projects—from hospitals and schools to large-scale commercial and R&D buildings Supportive leadership, collaborative culture, and structured career development Full backing towards chartership (CEng) Competitive salary and benefits including:
28 days annual leave + bank holidays Discretionary bonus Private healthcare & life insurance Enhanced pension scheme Cycle-to-work scheme CPD support and training allowance
If you’re a Mechanical Design Engineer looking for a supportive environment, diverse projects, and a clear path to progression, apply now for a confidential conversation
Apply
Location:
Southampton
Salary:
£30,000 - £45,000 /annum
Job Type:
FullTime
Category:
Engineering

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